{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Treatment.Freq", "Treatment.Route", "Treatment.Time_elapsed", "Subject.Age", "Combination.Drug", "Subject", "Treatment.Drug", "Subject.Race", "Treatment.Duration", "Effect", "Subject.Population", "Treatment.Disorder", "Treatment", "Subject.Gender"]}], "input": "The fourth patient showed RLS symptoms that were initially caused by a 20-mg daily olanzapine dosage and were later mitigated when olanzapine was reduced and ropinirole was administered."}
{"potential therapeutic event": []}